222345044 has 6 divisors (see below), whose sum is σ = 389103834. Its totient is φ = 111172520.

The previous prime is 222345043. The next prime is 222345047. The reversal of 222345044 is 440543222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 81685444 = 11860^2 + 9038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27793127 + ... + 27793134.

It is an arithmetic number, because the mean of its divisors is an integer number (64850639).

Almost surely, 2^222345044 is an apocalyptic number.

It is an amenable number.

222345044 is a deficient number, since it is larger than the sum of its proper divisors (166758790).

222345044 is a wasteful number, since it uses less digits than its factorization.

222345044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55586265 (or 55586263 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 222345044 is about 14911.2388486001. The cubic root of 222345044 is about 605.8184347158.

Adding to 222345044 its reverse (440543222), we get a palindrome (662888266).

The spelling of 222345044 in words is "two hundred twenty-two million, three hundred forty-five thousand, forty-four".